board/bf548-ezkit/bf548-ezkit.c

   1 /*
   2  * U-boot - main board file
   3  *
   4  * Copyright (c) 2005-2008 Analog Devices Inc.
   5  *
   6  * Licensed under the GPL-2 or later.
   7  */
   8
   9 #include <common.h>
  10 #include <netdev.h>
  11 #include <config.h>
  12 #include <command.h>
  13 #include <asm/blackfin.h>
  14
  15 DECLARE_GLOBAL_DATA_PTR;
  16
  17 int checkboard(void)
  18 {
  19         printf("Board: ADI BF548 EZ-Kit board\n");
  20         printf("       Support: http://blackfin.uclinux.org/\n");
  21         return 0;
  22 }
  23
  24 phys_size_t initdram(int board_type)
  25 {
  26         gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
  27         gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
  28         return gd->bd->bi_memsize;
  29 }
  30
  31 int board_early_init_f(void)
  32 {
  33         /* Port H: PH8 - PH13 == A4 - A9
  34          * address lines of the parallel asynchronous memory interface
  35          */
  36
  37         /************************************************
  38         * configure GPIO                                *
  39         * set port H function enable register           *
  40         *  configure PH8-PH13 as peripheral (not GPIO)  *
  41         *************************************************/
  42         bfin_write_PORTH_FER(0x3F03);
  43
  44         /************************************************
  45         * set port H MUX to configure PH8-PH13          *
  46         *  1st Function (MUX = 00) (bits 16-27 == 0)    *
  47         *  Set to address signals A4-A9                 *
  48         *************************************************/
  49         bfin_write_PORTH_MUX(0);
  50
  51         /************************************************
  52         * set port H direction register                 *
  53         *  enable PH8-PH13 as outputs                   *
  54         *************************************************/
  55         bfin_write_PORTH_DIR_SET(0x3F00);
  56
  57         /* Port I: PI0 - PH14 == A10 - A24
  58          * address lines of the parallel asynchronous memory interface
  59          */
  60
  61         /************************************************
  62         * set port I function enable register           *
  63         *  configure PI0-PI14 as peripheral (not GPIO)  *
  64         *************************************************/
  65         bfin_write_PORTI_FER(0x7fff);
  66
  67         /**************************************************
  68         * set PORT I MUX to configure PI14-PI0 as         *
  69         * 1st Function (MUX=00) - address signals A10-A24 *
  70         ***************************************************/
  71         bfin_write_PORTI_MUX(0);
  72
  73         /****************************************
  74         * set PORT I direction register         *
  75         *  enable PI0 - PI14 as outputs         *
  76         *****************************************/
  77         bfin_write_PORTI_DIR_SET(0x7fff);
  78
  79         return 0;
  80 }
  81
  82 #ifdef CONFIG_SMC911X
  83 int board_eth_init(bd_t *bis)
  84 {
  85         return smc911x_initialize(0, CONFIG_SMC911X_BASE);
  86 }
  87 #endif